Atsushi WATANABE


Rapid Restoration Sequence of Fiber Links and Communication Paths from Catastrophic Failures
Akihiro KADOHATA Takafumi TANAKA Wataru IMAJUKU Fumikazu INUZUKA Atsushi WATANABE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/08/01
Vol. E99-A  No. 8  pp. 1510-1517
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication Systems for Safe and Secure Life)
Category: 
Keyword: 
disaster restorationcatastrophic failurespanning-treelinear programming
 Summary | Full Text:PDF(2.2MB)

Differential Reliability Path Accommodation Design and Reconfiguration in Virtualized Multi-Layer Transport Network
Akihiro KADOHATA Takafumi TANAKA Atsushi WATANABE Akira HIRANO Hiroshi HASEGAWA Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/11/01
Vol. E98-B  No. 11  pp. 2151-2159
Type of Manuscript:  Special Section PAPER (Special Section on Network Systems for Virtualized Environment)
Category: 
Keyword: 
multi-layer transport networknetwork virtualizationrobustness and reconfiguration
 Summary | Full Text:PDF(2.8MB)

Pre-Adjustment Rerouting for Wavelength Defragmentation in Optical Transparent WDM Networks
Akihiro KADOHATA Atsushi WATANABE Akira HIRANO Hiroshi HASEGAWA Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/10/01
Vol. E98-B  No. 10  pp. 2014-2021
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
optical transparent wdm networksreconfigurationdefragmentation
 Summary | Full Text:PDF(1.7MB)

Multi-Layer Hypercube Photonic Network Architecture for Intra-Datacenter Network
Toshikazu SAKANO Akihiro KADOHATA Yoshiaki SONE Atsushi WATANABE Masahiko JINNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/04/01
Vol. E94-B  No. 4  pp. 910-917
Type of Manuscript:  Special Section PAPER (Special Section on Photonic Network Technologies in Terabit Network Era)
Category: 
Keyword: 
hypercubephotonic networkcyclic-frequency AWGwave-bandWDMSDM
 Summary | Full Text:PDF(1.7MB)

Robust IP Backbone Network Utilizing WDM Optical Paths
Atsushi WATANABE Satoru OKAMOTO Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/08/25
Vol. E82-C  No. 8  pp. 1381-1386
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Communication Networks
Keyword: 
optical communicationoptical pathInternet protocol
 Summary | Full Text:PDF(400.2KB)

Robust IP Backbone Network Utilizing WDM Optical Paths
Atsushi WATANABE Satoru OKAMOTO Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/08/25
Vol. E82-B  No. 8  pp. 1115-1120
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Communication Networks
Keyword: 
optical communicationoptical pathInternet protocol
 Summary | Full Text:PDF(370.9KB)

Design and Performance of Delivery and Coupling Switch Board for Large Scale Optical Path Cross-Connect System
Atsushi WATANABE Satoru OKAMOTO Masafumi KOGA Ken-ichi SATO Masayuki OKUNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/06/25
Vol. E81-B  No. 6  pp. 1203-1212
Type of Manuscript:  PAPER
Category: Optical Communication
Keyword: 
optical communicationoptical path networkcross-connect systemoptical switch
 Summary | Full Text:PDF(988.1KB)

Optical Path Cross-Connect Node Architecture Offering High Modularity for Virtual Wavelength Paths
Atsushi WATANABE Satoru OKAMOTO Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/05/25
Vol. E78-B  No. 5  pp. 686-693
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Signal Processing and Its Applications to Telecommunications)
Category: 
Keyword: 
photonic transport networkoptical pathwavelength division multiplexingcross-connectmodularity
 Summary | Full Text:PDF(678.4KB)

Optical Path Cross-Connect Node Architecture with High Modularity for Photonic Transport Networks
Atsushi WATANABE Satoru OKAMOTO Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/10/25
Vol. E77-B  No. 10  pp. 1220-1229
Type of Manuscript:  PAPER
Category: Optical Communication
Keyword: 
photonic transport networkoptical pathwavelength division multiplexingcross-connectmodularity
 Summary | Full Text:PDF(922.3KB)

A New Optical Path Cross-Connect System Architecture Utilizing Delivery and Coupling Matrix Switch
Satoru OKAMOTO Atsushi WATANABE Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/10/25
Vol. E77-B  No. 10  pp. 1272-1274
Type of Manuscript:  LETTER
Category: Optical Communication
Keyword: 
optical communicationoptical path networkcross-connect systemphotonic switching
 Summary | Full Text:PDF(172.8KB)